#include<iostream>
using namespace std;
class Base{
	public:
		int k;
		Base(int n):k(n){
		}
};
class Big{
	public:
		int v;Base b;
		Big(int n):v(n),b(n){}
		Big(Big &x):v(x.v),b(x.v){}
		
};
int main()
{
	Big a1(5);
	Big a2=a1;
	cout<<a1.v<<","<<a1.b.k<<endl;
	cout<<a2.v<<","<<a2.b.k<<endl;
	return 0;
}